<!DOCTYPE html>
<html>
<head>
	<title>波浪</title>

	<style type="text/css">
		/*css3波纹*/
		@keyframes move_wave {
		    0% {
		        transform: translateX(0) translateZ(0) scaleY(1)
		    }
		    50% {
		        transform: translateX(-25%) translateZ(0) scaleY(0.55)
		    }
		    100% {
		        transform: translateX(-50%) translateZ(0) scaleY(1)
		    }
		}
		.waveWrapper {
		    overflow: hidden;
		    position: absolute;
		    left: 0;
		    right: 0;
		    bottom: 0;
		    top: 0;
		    margin: auto;
		}
		.waveWrapperInner {
		    position: absolute;
		    width: 100%;
		    overflow: hidden;
		    height: 100%;
		    bottom: -1px;
		    background-image: linear-gradient(to top, #d6312e 20%, #da1d1d 80%);
		}
		.bgTop {
		    z-index: 15;
		    opacity: 0.5;
		}
		.bgMiddle {
		    z-index: 10;
		    opacity: 0.75;
		}
		.bgBottom {
		    z-index: 5;
		}
		.wave {
		    position: absolute;
		    left: 0;
		    width: 200%;
		    height: 100%;
		    background-repeat: repeat no-repeat;
		    background-position: 0 bottom;
		    transform-origin: center bottom;
		}
		.waveTop {
		    background-size: 50% 100px;
		}
		.waveAnimation .waveTop {
		  animation: move-wave 3s;
		   -webkit-animation: move-wave 3s;
		   -webkit-animation-delay: 1s;
		   animation-delay: 1s;
		}
		.waveMiddle {
		    background-size: 50% 120px;
		}
		.waveAnimation .waveMiddle {
		    animation: move_wave 10s linear infinite;
		}
		.waveBottom {
		    background-size: 50% 100px;
		}
		.waveAnimation .waveBottom {
		    animation: move_wave 15s linear infinite;
		}       
	</style>
</head>
<body>

	<div class="waveWrapper waveAnimation">
	  <div class="waveWrapperInner bgTop">
	    <div class="wave waveTop" style="background-image: url('./img/wave-top.png')"></div>
	  </div>
	  <div class="waveWrapperInner bgMiddle">
	    <div class="wave waveMiddle" style="background-image: url('./img/wave-mid.png')"></div>
	  </div>
	  <div class="waveWrapperInner bgBottom">
	    <div class="wave waveBottom" style="background-image: url('./img/wave-bot.png')"></div>
	  </div>
	</div>   

</body>
</html>